Upcoming Races in Colorado on Weekends

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Click Here to find out what Classic, Multisport, and Variety mean.

To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.

1. CSU International Run for Relief 5K
2. South Boulder Creek parkrun
3. Women2Women 5K
4. Central Park 5K
5. RMRR Spring Marathon Training Series
6. Spring Equinox Half Marathon
7. Aspen parkrun
8. Aurora Polar Plunge and 5K
9. Founder's Day 5K Color Fun Run
10. Healthy Kids Running Series - Fort Collins
11. Longmont CollaBEERation 5K
12. Nielson Two Mile Challenge
13. Run the Ranch
14. South Boulder Creek parkrun
15. Three Creeks Half Marathon
16. Boulder Voices For Children Superhero 5K
17. Donut Dash 5K
18. Platte River Half Marathon
19. RMRR Trophy Series - April
20. Severance 5K Color Run

For the love of all that Is good And moisture wicking...

Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.

ALWAYS visit the race's website for the most complete and accurate race information.